Quiz
Energy, Acceleration and Force Revision Quiz
Crie uma conta grátis para terminar este quiz
Salve seu progresso e veja sua nota final.
Já tem uma conta? Inicie sessão
Perguntas do quiz (20)
1The graph displays an objects position vs. time. During what time interval does the object have an acceleration?
- AA
- BB
- CC
- DD
2The graph displays an objects position vs. time. During what time interval is the object not moving?
- AA
- BB
- CC
- DD
3When does the object have a constant negative velocity?
- AA
- BB
- CC
- DD
4What is the unit for force?
- ANewtons
- BJoules
- CWatts
- Dkg
5What are the units for energy?
- AJoule
- BWatts
- CNewtons
- DPounds
6Weight is the same thing as mass.
- AVerdadeiro
- BFalso
7The coefficient of friction is measured in________________.
- AN
- Bkg
- CJoules
- DThere are no units!
8When you double the speed of the object you double its_____________________
- AKinetic Energy
- BPotential Energy
- CMomentum
9145.000 has_______significant figures
- A3
- B4
- C5
- D6
10Momentum is always conserved for a single object.
- AVerdadeiro
- BFalso
11Total kinetic energy is always conserved for inelastic collisions.
- AVerdadeiro
- BFalso
12Total kinetic energy is conserved during elastic collisions.
- AVerdadeiro
- BFalso
13What determines the force of static friction acting on an object? (check all that apply)
- AThe coefficient of friction between the surfaces.
- BThe normal force of the surface
- CThe speed of the object
- DThe energy of the object
14When an projectile reaches its peak flight its___________________________. (check more than one box)
- AVelocity is 0m/s
- BAcceleration is 0m/s/s
- CVertical Velocity is 0m/s
- DHorizontal Velocity is 0m/s
- EAcceleration is -9.81m/s/s
- FForce is 0N
15When an object is accelerating we can use the d=rt formula to solve problems involving that object.
- AVerdadeiro
- BFalso
16A projectiles vertical speed is constant (assuming no air resistance).
- AVerdadeiro
- BFalso
17A projectile's horizontal speed (assuming no air resistance) is constant.
- AVerdadeiro
- BFalso
18If the Earth somehow were to shrink to half of its size (but kept the same mass), what would happen to our weight (think universal law of gravity)
- AIt would double
- BIt would be cut in half
- CIt would quadruple
- DIt would be 1/4 the original
19Centripetal acceleration acts _____________________.
- ATangent to the circular path.
- BAway from the center
- CTo the center
- DAlong the path of the object in motion
20Linear speed of a rotating object acts____________________.
- ATo the center of motion.
- BAway from the center of motion
- CTangential to the circular path
- DAlong the circular path
Informações
- Descrição
- A short review that covers kinematics, forces, work, energy, momentum, and circular motion.
- Autor
- Usuário eliminado
- Idioma
- English
- Visualizações
- 47
- Histórico
- Criado em 25 jan 2019 · atualizado em 25 jan 2019
- Etiquetas